Question
In a box, 35% of the buttons are silver, 20% are blue and the rest are white
  1. What fraction of the buttons is white? Give your answer in the simplest form.
  2. There are 639 white buttons in the box. How many buttons are there in the box altogether?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

In a box, 35% of the buttons are silver, 20% are blue and the rest are white
  1. What fraction of the buttons is white? Give your answer in the simplest form.
  2. There are 639 white buttons in the box. How many buttons are there in the box altogether?